Home / 9,087.10-13,630.65-4,705.90

Finding the Fourth Proportional to 9,087.10, 13,630.65 and 4,705.90

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Solution

The fourth proportional to 9,087.10, 13,630.65 and 4,705.90 is: 7,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.10 : 13,630.65 = 4,705.90 : x
  2. Step 2: Convert to fraction form
    9,087.10/13,630.65 = 4,705.90/x
  3. Step 3: Cross multiply
    9,087.10x = 13,630.65 × 4,705.90
  4. Step 4: Simplify right side
    9,087.10x = 64,144,475.84
  5. Step 5: Solve for x
    x = 64,144,475.84/9,087.10
  6. Step 6: Final answer
    x = 7,058.85

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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.