Home / 4,758.40-6,565.81-2,988.75

Finding the Fourth Proportional to 4,758.40, 6,565.81 and 2,988.75

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Solution

The fourth proportional to 4,758.40, 6,565.81 and 2,988.75 is: 4,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.40 : 6,565.81 = 2,988.75 : x
  2. Step 2: Convert to fraction form
    4,758.40/6,565.81 = 2,988.75/x
  3. Step 3: Cross multiply
    4,758.40x = 6,565.81 × 2,988.75
  4. Step 4: Simplify right side
    4,758.40x = 19,623,550.46
  5. Step 5: Solve for x
    x = 19,623,550.46/4,758.40
  6. Step 6: Final answer
    x = 4,123.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.