Home / 10,385.56-15,575.01-4,460.84

Finding the Fourth Proportional to 10,385.56, 15,575.01 and 4,460.84

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Solution

The fourth proportional to 10,385.56, 15,575.01 and 4,460.84 is: 6,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.56 : 15,575.01 = 4,460.84 : x
  2. Step 2: Convert to fraction form
    10,385.56/15,575.01 = 4,460.84/x
  3. Step 3: Cross multiply
    10,385.56x = 15,575.01 × 4,460.84
  4. Step 4: Simplify right side
    10,385.56x = 69,477,666.55
  5. Step 5: Solve for x
    x = 69,477,666.55/10,385.56
  6. Step 6: Final answer
    x = 6,689.83

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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.