Home / 4,720.23-7,080.57-1,798.76

Finding the Fourth Proportional to 4,720.23, 7,080.57 and 1,798.76

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Solution

The fourth proportional to 4,720.23, 7,080.57 and 1,798.76 is: 2,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.23 : 7,080.57 = 1,798.76 : x
  2. Step 2: Convert to fraction form
    4,720.23/7,080.57 = 1,798.76/x
  3. Step 3: Cross multiply
    4,720.23x = 7,080.57 × 1,798.76
  4. Step 4: Simplify right side
    4,720.23x = 12,736,210.69
  5. Step 5: Solve for x
    x = 12,736,210.69/4,720.23
  6. Step 6: Final answer
    x = 2,698.22

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.