Home / 8,454.30-11,666.64-4,677.45

Finding the Fourth Proportional to 8,454.30, 11,666.64 and 4,677.45

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Solution

The fourth proportional to 8,454.30, 11,666.64 and 4,677.45 is: 6,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.30 : 11,666.64 = 4,677.45 : x
  2. Step 2: Convert to fraction form
    8,454.30/11,666.64 = 4,677.45/x
  3. Step 3: Cross multiply
    8,454.30x = 11,666.64 × 4,677.45
  4. Step 4: Simplify right side
    8,454.30x = 54,570,125.27
  5. Step 5: Solve for x
    x = 54,570,125.27/8,454.30
  6. Step 6: Final answer
    x = 6,454.72

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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.