Home / 4,575.77-6,862.86-1,288.09

Finding the Fourth Proportional to 4,575.77, 6,862.86 and 1,288.09

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Solution

The fourth proportional to 4,575.77, 6,862.86 and 1,288.09 is: 1,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.77 : 6,862.86 = 1,288.09 : x
  2. Step 2: Convert to fraction form
    4,575.77/6,862.86 = 1,288.09/x
  3. Step 3: Cross multiply
    4,575.77x = 6,862.86 × 1,288.09
  4. Step 4: Simplify right side
    4,575.77x = 8,839,981.34
  5. Step 5: Solve for x
    x = 8,839,981.34/4,575.77
  6. Step 6: Final answer
    x = 1,931.91

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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.