Home / 8,887.47-12,258.18-5,701.74

Finding the Fourth Proportional to 8,887.47, 12,258.18 and 5,701.74

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Solution

The fourth proportional to 8,887.47, 12,258.18 and 5,701.74 is: 7,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.47 : 12,258.18 = 5,701.74 : x
  2. Step 2: Convert to fraction form
    8,887.47/12,258.18 = 5,701.74/x
  3. Step 3: Cross multiply
    8,887.47x = 12,258.18 × 5,701.74
  4. Step 4: Simplify right side
    8,887.47x = 69,892,955.23
  5. Step 5: Solve for x
    x = 69,892,955.23/8,887.47
  6. Step 6: Final answer
    x = 7,864.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.