Home / 4,740.18-7,111.64-1,453.76

Finding the Fourth Proportional to 4,740.18, 7,111.64 and 1,453.76

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Solution

The fourth proportional to 4,740.18, 7,111.64 and 1,453.76 is: 2,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.18 : 7,111.64 = 1,453.76 : x
  2. Step 2: Convert to fraction form
    4,740.18/7,111.64 = 1,453.76/x
  3. Step 3: Cross multiply
    4,740.18x = 7,111.64 × 1,453.76
  4. Step 4: Simplify right side
    4,740.18x = 10,338,574.94
  5. Step 5: Solve for x
    x = 10,338,574.94/4,740.18
  6. Step 6: Final answer
    x = 2,181.05

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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.