Home / 5,140.32-7,708.65-1,852.53

Finding the Fourth Proportional to 5,140.32, 7,708.65 and 1,852.53

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Solution

The fourth proportional to 5,140.32, 7,708.65 and 1,852.53 is: 2,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.32 : 7,708.65 = 1,852.53 : x
  2. Step 2: Convert to fraction form
    5,140.32/7,708.65 = 1,852.53/x
  3. Step 3: Cross multiply
    5,140.32x = 7,708.65 × 1,852.53
  4. Step 4: Simplify right side
    5,140.32x = 14,280,505.38
  5. Step 5: Solve for x
    x = 14,280,505.38/5,140.32
  6. Step 6: Final answer
    x = 2,778.14

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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.