Home / 5,376.23-7,999.30-5,242.31

Finding the Fourth Proportional to 5,376.23, 7,999.30 and 5,242.31

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Solution

The fourth proportional to 5,376.23, 7,999.30 and 5,242.31 is: 7,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.23 : 7,999.30 = 5,242.31 : x
  2. Step 2: Convert to fraction form
    5,376.23/7,999.30 = 5,242.31/x
  3. Step 3: Cross multiply
    5,376.23x = 7,999.30 × 5,242.31
  4. Step 4: Simplify right side
    5,376.23x = 41,934,810.38
  5. Step 5: Solve for x
    x = 41,934,810.38/5,376.23
  6. Step 6: Final answer
    x = 7,800.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.