Home / 7,966.20-10,994.37-4,430.55

Finding the Fourth Proportional to 7,966.20, 10,994.37 and 4,430.55

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Solution

The fourth proportional to 7,966.20, 10,994.37 and 4,430.55 is: 6,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.20 : 10,994.37 = 4,430.55 : x
  2. Step 2: Convert to fraction form
    7,966.20/10,994.37 = 4,430.55/x
  3. Step 3: Cross multiply
    7,966.20x = 10,994.37 × 4,430.55
  4. Step 4: Simplify right side
    7,966.20x = 48,711,106.00
  5. Step 5: Solve for x
    x = 48,711,106.00/7,966.20
  6. Step 6: Final answer
    x = 6,114.72

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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.