Home / 6,459.19-9,687.01-1,778.10

Finding the Fourth Proportional to 6,459.19, 9,687.01 and 1,778.10

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Solution

The fourth proportional to 6,459.19, 9,687.01 and 1,778.10 is: 2,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.19 : 9,687.01 = 1,778.10 : x
  2. Step 2: Convert to fraction form
    6,459.19/9,687.01 = 1,778.10/x
  3. Step 3: Cross multiply
    6,459.19x = 9,687.01 × 1,778.10
  4. Step 4: Simplify right side
    6,459.19x = 17,224,476.93
  5. Step 5: Solve for x
    x = 17,224,476.93/6,459.19
  6. Step 6: Final answer
    x = 2,666.66

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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.