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Finding the Fourth Proportional to 5,545, 7,652.10 and 3,061.16

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Solution

The fourth proportional to 5,545, 7,652.10 and 3,061.16 is: 4,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545 : 7,652.10 = 3,061.16 : x
  2. Step 2: Convert to fraction form
    5,545/7,652.10 = 3,061.16/x
  3. Step 3: Cross multiply
    5,545x = 7,652.10 × 3,061.16
  4. Step 4: Simplify right side
    5,545x = 23,424,302.44
  5. Step 5: Solve for x
    x = 23,424,302.44/5,545
  6. Step 6: Final answer
    x = 4,224.40

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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.