Home / 7,000.30-10,500.45-5,688.10

Finding the Fourth Proportional to 7,000.30, 10,500.45 and 5,688.10

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Solution

The fourth proportional to 7,000.30, 10,500.45 and 5,688.10 is: 8,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.30 : 10,500.45 = 5,688.10 : x
  2. Step 2: Convert to fraction form
    7,000.30/10,500.45 = 5,688.10/x
  3. Step 3: Cross multiply
    7,000.30x = 10,500.45 × 5,688.10
  4. Step 4: Simplify right side
    7,000.30x = 59,727,609.65
  5. Step 5: Solve for x
    x = 59,727,609.65/7,000.30
  6. Step 6: Final answer
    x = 8,532.15

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Similar ratio
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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.