Home / 4,475.76-6,715.40-2,285.04

Finding the Fourth Proportional to 4,475.76, 6,715.40 and 2,285.04

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Solution

The fourth proportional to 4,475.76, 6,715.40 and 2,285.04 is: 3,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.76 : 6,715.40 = 2,285.04 : x
  2. Step 2: Convert to fraction form
    4,475.76/6,715.40 = 2,285.04/x
  3. Step 3: Cross multiply
    4,475.76x = 6,715.40 × 2,285.04
  4. Step 4: Simplify right side
    4,475.76x = 15,344,957.62
  5. Step 5: Solve for x
    x = 15,344,957.62/4,475.76
  6. Step 6: Final answer
    x = 3,428.46

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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.