Home / 7,337.35-10,125.54-3,980.15

Finding the Fourth Proportional to 7,337.35, 10,125.54 and 3,980.15

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Solution

The fourth proportional to 7,337.35, 10,125.54 and 3,980.15 is: 5,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.35 : 10,125.54 = 3,980.15 : x
  2. Step 2: Convert to fraction form
    7,337.35/10,125.54 = 3,980.15/x
  3. Step 3: Cross multiply
    7,337.35x = 10,125.54 × 3,980.15
  4. Step 4: Simplify right side
    7,337.35x = 40,301,117.40
  5. Step 5: Solve for x
    x = 40,301,117.40/7,337.35
  6. Step 6: Final answer
    x = 5,492.60

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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.