Home / 7,492.96-10,340.15-4,135.77

Finding the Fourth Proportional to 7,492.96, 10,340.15 and 4,135.77

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Solution

The fourth proportional to 7,492.96, 10,340.15 and 4,135.77 is: 5,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.96 : 10,340.15 = 4,135.77 : x
  2. Step 2: Convert to fraction form
    7,492.96/10,340.15 = 4,135.77/x
  3. Step 3: Cross multiply
    7,492.96x = 10,340.15 × 4,135.77
  4. Step 4: Simplify right side
    7,492.96x = 42,764,492.50
  5. Step 5: Solve for x
    x = 42,764,492.50/7,492.96
  6. Step 6: Final answer
    x = 5,707.29

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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.