Home / 7,312.32-10,088-4,512.96

Finding the Fourth Proportional to 7,312.32, 10,088 and 4,512.96

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Solution

The fourth proportional to 7,312.32, 10,088 and 4,512.96 is: 6,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.32 : 10,088 = 4,512.96 : x
  2. Step 2: Convert to fraction form
    7,312.32/10,088 = 4,512.96/x
  3. Step 3: Cross multiply
    7,312.32x = 10,088 × 4,512.96
  4. Step 4: Simplify right side
    7,312.32x = 45,526,740.48
  5. Step 5: Solve for x
    x = 45,526,740.48/7,312.32
  6. Step 6: Final answer
    x = 6,226.03

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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.