Home / 9,170.04-12,654.66-4,978.36

Finding the Fourth Proportional to 9,170.04, 12,654.66 and 4,978.36

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Solution

The fourth proportional to 9,170.04, 12,654.66 and 4,978.36 is: 6,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.04 : 12,654.66 = 4,978.36 : x
  2. Step 2: Convert to fraction form
    9,170.04/12,654.66 = 4,978.36/x
  3. Step 3: Cross multiply
    9,170.04x = 12,654.66 × 4,978.36
  4. Step 4: Simplify right side
    9,170.04x = 62,999,453.16
  5. Step 5: Solve for x
    x = 62,999,453.16/9,170.04
  6. Step 6: Final answer
    x = 6,870.14

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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.