Home / 6,459.04-9,678.48-5,160.16

Finding the Fourth Proportional to 6,459.04, 9,678.48 and 5,160.16

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Solution

The fourth proportional to 6,459.04, 9,678.48 and 5,160.16 is: 7,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.04 : 9,678.48 = 5,160.16 : x
  2. Step 2: Convert to fraction form
    6,459.04/9,678.48 = 5,160.16/x
  3. Step 3: Cross multiply
    6,459.04x = 9,678.48 × 5,160.16
  4. Step 4: Simplify right side
    6,459.04x = 49,942,505.36
  5. Step 5: Solve for x
    x = 49,942,505.36/6,459.04
  6. Step 6: Final answer
    x = 7,732.19

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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.