Home / 6,438.60-8,901.52-4,757.36

Finding the Fourth Proportional to 6,438.60, 8,901.52 and 4,757.36

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Solution

The fourth proportional to 6,438.60, 8,901.52 and 4,757.36 is: 6,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.60 : 8,901.52 = 4,757.36 : x
  2. Step 2: Convert to fraction form
    6,438.60/8,901.52 = 4,757.36/x
  3. Step 3: Cross multiply
    6,438.60x = 8,901.52 × 4,757.36
  4. Step 4: Simplify right side
    6,438.60x = 42,347,678.79
  5. Step 5: Solve for x
    x = 42,347,678.79/6,438.60
  6. Step 6: Final answer
    x = 6,577.16

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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.