Home / 5,084.10-7,615.08-3,130.38

Finding the Fourth Proportional to 5,084.10, 7,615.08 and 3,130.38

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Solution

The fourth proportional to 5,084.10, 7,615.08 and 3,130.38 is: 4,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.10 : 7,615.08 = 3,130.38 : x
  2. Step 2: Convert to fraction form
    5,084.10/7,615.08 = 3,130.38/x
  3. Step 3: Cross multiply
    5,084.10x = 7,615.08 × 3,130.38
  4. Step 4: Simplify right side
    5,084.10x = 23,838,094.13
  5. Step 5: Solve for x
    x = 23,838,094.13/5,084.10
  6. Step 6: Final answer
    x = 4,688.75

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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.