Home / 6,617.07-9,925.40-1,686.69

Finding the Fourth Proportional to 6,617.07, 9,925.40 and 1,686.69

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Solution

The fourth proportional to 6,617.07, 9,925.40 and 1,686.69 is: 2,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.07 : 9,925.40 = 1,686.69 : x
  2. Step 2: Convert to fraction form
    6,617.07/9,925.40 = 1,686.69/x
  3. Step 3: Cross multiply
    6,617.07x = 9,925.40 × 1,686.69
  4. Step 4: Simplify right side
    6,617.07x = 16,741,064.49
  5. Step 5: Solve for x
    x = 16,741,064.49/6,617.07
  6. Step 6: Final answer
    x = 2,529.98

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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.