Home / 7,492.80-10,340.16-4,135.62

Finding the Fourth Proportional to 7,492.80, 10,340.16 and 4,135.62

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Solution

The fourth proportional to 7,492.80, 10,340.16 and 4,135.62 is: 5,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.80 : 10,340.16 = 4,135.62 : x
  2. Step 2: Convert to fraction form
    7,492.80/10,340.16 = 4,135.62/x
  3. Step 3: Cross multiply
    7,492.80x = 10,340.16 × 4,135.62
  4. Step 4: Simplify right side
    7,492.80x = 42,762,972.50
  5. Step 5: Solve for x
    x = 42,762,972.50/7,492.80
  6. Step 6: Final answer
    x = 5,707.21

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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.