Home / 6,900.91-10,319.56-5,125.32

Finding the Fourth Proportional to 6,900.91, 10,319.56 and 5,125.32

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Solution

The fourth proportional to 6,900.91, 10,319.56 and 5,125.32 is: 7,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.91 : 10,319.56 = 5,125.32 : x
  2. Step 2: Convert to fraction form
    6,900.91/10,319.56 = 5,125.32/x
  3. Step 3: Cross multiply
    6,900.91x = 10,319.56 × 5,125.32
  4. Step 4: Simplify right side
    6,900.91x = 52,891,047.26
  5. Step 5: Solve for x
    x = 52,891,047.26/6,900.91
  6. Step 6: Final answer
    x = 7,664.36

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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.