Home / 9,117.56-13,666.62-4,728.98

Finding the Fourth Proportional to 9,117.56, 13,666.62 and 4,728.98

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Solution

The fourth proportional to 9,117.56, 13,666.62 and 4,728.98 is: 7,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.56 : 13,666.62 = 4,728.98 : x
  2. Step 2: Convert to fraction form
    9,117.56/13,666.62 = 4,728.98/x
  3. Step 3: Cross multiply
    9,117.56x = 13,666.62 × 4,728.98
  4. Step 4: Simplify right side
    9,117.56x = 64,629,224.55
  5. Step 5: Solve for x
    x = 64,629,224.55/9,117.56
  6. Step 6: Final answer
    x = 7,088.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.