Home / 10,587.75-15,875.93-3,565.43

Finding the Fourth Proportional to 10,587.75, 15,875.93 and 3,565.43

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Solution

The fourth proportional to 10,587.75, 15,875.93 and 3,565.43 is: 5,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.75 : 15,875.93 = 3,565.43 : x
  2. Step 2: Convert to fraction form
    10,587.75/15,875.93 = 3,565.43/x
  3. Step 3: Cross multiply
    10,587.75x = 15,875.93 × 3,565.43
  4. Step 4: Simplify right side
    10,587.75x = 56,604,419.89
  5. Step 5: Solve for x
    x = 56,604,419.89/10,587.75
  6. Step 6: Final answer
    x = 5,346.22

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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.