Home / 8,385.60-11,570.40-5,027.52

Finding the Fourth Proportional to 8,385.60, 11,570.40 and 5,027.52

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Solution

The fourth proportional to 8,385.60, 11,570.40 and 5,027.52 is: 6,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.60 : 11,570.40 = 5,027.52 : x
  2. Step 2: Convert to fraction form
    8,385.60/11,570.40 = 5,027.52/x
  3. Step 3: Cross multiply
    8,385.60x = 11,570.40 × 5,027.52
  4. Step 4: Simplify right side
    8,385.60x = 58,170,417.41
  5. Step 5: Solve for x
    x = 58,170,417.41/8,385.60
  6. Step 6: Final answer
    x = 6,936.94

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1.5x scale

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.