Home / 7,854.18-10,836.60-5,061.30

Finding the Fourth Proportional to 7,854.18, 10,836.60 and 5,061.30

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Solution

The fourth proportional to 7,854.18, 10,836.60 and 5,061.30 is: 6,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.18 : 10,836.60 = 5,061.30 : x
  2. Step 2: Convert to fraction form
    7,854.18/10,836.60 = 5,061.30/x
  3. Step 3: Cross multiply
    7,854.18x = 10,836.60 × 5,061.30
  4. Step 4: Simplify right side
    7,854.18x = 54,847,283.58
  5. Step 5: Solve for x
    x = 54,847,283.58/7,854.18
  6. Step 6: Final answer
    x = 6,983.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.