Home / 6,688.30-10,032.45-4,225.90

Finding the Fourth Proportional to 6,688.30, 10,032.45 and 4,225.90

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Solution

The fourth proportional to 6,688.30, 10,032.45 and 4,225.90 is: 6,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.30 : 10,032.45 = 4,225.90 : x
  2. Step 2: Convert to fraction form
    6,688.30/10,032.45 = 4,225.90/x
  3. Step 3: Cross multiply
    6,688.30x = 10,032.45 × 4,225.90
  4. Step 4: Simplify right side
    6,688.30x = 42,396,130.46
  5. Step 5: Solve for x
    x = 42,396,130.46/6,688.30
  6. Step 6: Final answer
    x = 6,338.85

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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.