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Finding the Fourth Proportional to 5,018.32, 7,526.94 and 1,731.16

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Solution

The fourth proportional to 5,018.32, 7,526.94 and 1,731.16 is: 2,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.32 : 7,526.94 = 1,731.16 : x
  2. Step 2: Convert to fraction form
    5,018.32/7,526.94 = 1,731.16/x
  3. Step 3: Cross multiply
    5,018.32x = 7,526.94 × 1,731.16
  4. Step 4: Simplify right side
    5,018.32x = 13,030,337.45
  5. Step 5: Solve for x
    x = 13,030,337.45/5,018.32
  6. Step 6: Final answer
    x = 2,596.55

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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.