Home / 8,885.47-13,325.13-4,942.72

Finding the Fourth Proportional to 8,885.47, 13,325.13 and 4,942.72

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Solution

The fourth proportional to 8,885.47, 13,325.13 and 4,942.72 is: 7,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.47 : 13,325.13 = 4,942.72 : x
  2. Step 2: Convert to fraction form
    8,885.47/13,325.13 = 4,942.72/x
  3. Step 3: Cross multiply
    8,885.47x = 13,325.13 × 4,942.72
  4. Step 4: Simplify right side
    8,885.47x = 65,862,334.71
  5. Step 5: Solve for x
    x = 65,862,334.71/8,885.47
  6. Step 6: Final answer
    x = 7,412.37

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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.