Home / 5,319.32-7,341.06-3,081.80

Finding the Fourth Proportional to 5,319.32, 7,341.06 and 3,081.80

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Solution

The fourth proportional to 5,319.32, 7,341.06 and 3,081.80 is: 4,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.32 : 7,341.06 = 3,081.80 : x
  2. Step 2: Convert to fraction form
    5,319.32/7,341.06 = 3,081.80/x
  3. Step 3: Cross multiply
    5,319.32x = 7,341.06 × 3,081.80
  4. Step 4: Simplify right side
    5,319.32x = 22,623,678.71
  5. Step 5: Solve for x
    x = 22,623,678.71/5,319.32
  6. Step 6: Final answer
    x = 4,253.11

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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.