Home / 6,440.04-9,649.98-5,141.16

Finding the Fourth Proportional to 6,440.04, 9,649.98 and 5,141.16

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Solution

The fourth proportional to 6,440.04, 9,649.98 and 5,141.16 is: 7,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.04 : 9,649.98 = 5,141.16 : x
  2. Step 2: Convert to fraction form
    6,440.04/9,649.98 = 5,141.16/x
  3. Step 3: Cross multiply
    6,440.04x = 9,649.98 × 5,141.16
  4. Step 4: Simplify right side
    6,440.04x = 49,612,091.18
  5. Step 5: Solve for x
    x = 49,612,091.18/6,440.04
  6. Step 6: Final answer
    x = 7,703.69

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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.