Home / 8,887.56-13,335.23-4,210.91

Finding the Fourth Proportional to 8,887.56, 13,335.23 and 4,210.91

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Solution

The fourth proportional to 8,887.56, 13,335.23 and 4,210.91 is: 6,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.56 : 13,335.23 = 4,210.91 : x
  2. Step 2: Convert to fraction form
    8,887.56/13,335.23 = 4,210.91/x
  3. Step 3: Cross multiply
    8,887.56x = 13,335.23 × 4,210.91
  4. Step 4: Simplify right side
    8,887.56x = 56,153,431.43
  5. Step 5: Solve for x
    x = 56,153,431.43/8,887.56
  6. Step 6: Final answer
    x = 6,318.21

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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.