Home / 6,459.26-9,687.08-1,778.16

Finding the Fourth Proportional to 6,459.26, 9,687.08 and 1,778.16

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Solution

The fourth proportional to 6,459.26, 9,687.08 and 1,778.16 is: 2,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.26 : 9,687.08 = 1,778.16 : x
  2. Step 2: Convert to fraction form
    6,459.26/9,687.08 = 1,778.16/x
  3. Step 3: Cross multiply
    6,459.26x = 9,687.08 × 1,778.16
  4. Step 4: Simplify right side
    6,459.26x = 17,225,178.17
  5. Step 5: Solve for x
    x = 17,225,178.17/6,459.26
  6. Step 6: Final answer
    x = 2,666.74

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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.