Home / 7,385.40-10,194.30-4,402.17

Finding the Fourth Proportional to 7,385.40, 10,194.30 and 4,402.17

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Solution

The fourth proportional to 7,385.40, 10,194.30 and 4,402.17 is: 6,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.40 : 10,194.30 = 4,402.17 : x
  2. Step 2: Convert to fraction form
    7,385.40/10,194.30 = 4,402.17/x
  3. Step 3: Cross multiply
    7,385.40x = 10,194.30 × 4,402.17
  4. Step 4: Simplify right side
    7,385.40x = 44,877,041.63
  5. Step 5: Solve for x
    x = 44,877,041.63/7,385.40
  6. Step 6: Final answer
    x = 6,076.45

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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.