Home / 8,972.88-13,459.47-4,587.64

Finding the Fourth Proportional to 8,972.88, 13,459.47 and 4,587.64

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Solution

The fourth proportional to 8,972.88, 13,459.47 and 4,587.64 is: 6,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.88 : 13,459.47 = 4,587.64 : x
  2. Step 2: Convert to fraction form
    8,972.88/13,459.47 = 4,587.64/x
  3. Step 3: Cross multiply
    8,972.88x = 13,459.47 × 4,587.64
  4. Step 4: Simplify right side
    8,972.88x = 61,747,152.10
  5. Step 5: Solve for x
    x = 61,747,152.10/8,972.88
  6. Step 6: Final answer
    x = 6,881.53

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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.