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Finding the Fourth Proportional to 9,242.46, 12,756.08 and 7,268.01

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Solution

The fourth proportional to 9,242.46, 12,756.08 and 7,268.01 is: 10,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.46 : 12,756.08 = 7,268.01 : x
  2. Step 2: Convert to fraction form
    9,242.46/12,756.08 = 7,268.01/x
  3. Step 3: Cross multiply
    9,242.46x = 12,756.08 × 7,268.01
  4. Step 4: Simplify right side
    9,242.46x = 92,711,280.66
  5. Step 5: Solve for x
    x = 92,711,280.66/9,242.46
  6. Step 6: Final answer
    x = 10,031.02

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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.