Home / 8,851.40-13,282.76-4,689.64

Finding the Fourth Proportional to 8,851.40, 13,282.76 and 4,689.64

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Solution

The fourth proportional to 8,851.40, 13,282.76 and 4,689.64 is: 7,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.40 : 13,282.76 = 4,689.64 : x
  2. Step 2: Convert to fraction form
    8,851.40/13,282.76 = 4,689.64/x
  3. Step 3: Cross multiply
    8,851.40x = 13,282.76 × 4,689.64
  4. Step 4: Simplify right side
    8,851.40x = 62,291,362.61
  5. Step 5: Solve for x
    x = 62,291,362.61/8,851.40
  6. Step 6: Final answer
    x = 7,037.46

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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.