Home / 9,170.02-12,654.64-4,978.27

Finding the Fourth Proportional to 9,170.02, 12,654.64 and 4,978.27

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Solution

The fourth proportional to 9,170.02, 12,654.64 and 4,978.27 is: 6,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.02 : 12,654.64 = 4,978.27 : x
  2. Step 2: Convert to fraction form
    9,170.02/12,654.64 = 4,978.27/x
  3. Step 3: Cross multiply
    9,170.02x = 12,654.64 × 4,978.27
  4. Step 4: Simplify right side
    9,170.02x = 62,998,214.67
  5. Step 5: Solve for x
    x = 62,998,214.67/9,170.02
  6. Step 6: Final answer
    x = 6,870.02

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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.