Home / 4,319.19-6,478.65-3,021.51

Finding the Fourth Proportional to 4,319.19, 6,478.65 and 3,021.51

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Solution

The fourth proportional to 4,319.19, 6,478.65 and 3,021.51 is: 4,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.19 : 6,478.65 = 3,021.51 : x
  2. Step 2: Convert to fraction form
    4,319.19/6,478.65 = 3,021.51/x
  3. Step 3: Cross multiply
    4,319.19x = 6,478.65 × 3,021.51
  4. Step 4: Simplify right side
    4,319.19x = 19,575,305.76
  5. Step 5: Solve for x
    x = 19,575,305.76/4,319.19
  6. Step 6: Final answer
    x = 4,532.17

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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.