Home / 8,910.02-13,363.08-2,987.74

Finding the Fourth Proportional to 8,910.02, 13,363.08 and 2,987.74

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Solution

The fourth proportional to 8,910.02, 13,363.08 and 2,987.74 is: 4,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.02 : 13,363.08 = 2,987.74 : x
  2. Step 2: Convert to fraction form
    8,910.02/13,363.08 = 2,987.74/x
  3. Step 3: Cross multiply
    8,910.02x = 13,363.08 × 2,987.74
  4. Step 4: Simplify right side
    8,910.02x = 39,925,408.64
  5. Step 5: Solve for x
    x = 39,925,408.64/8,910.02
  6. Step 6: Final answer
    x = 4,480.96

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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.