Home / 7,312.19-10,942.77-5,980.55

Finding the Fourth Proportional to 7,312.19, 10,942.77 and 5,980.55

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Solution

The fourth proportional to 7,312.19, 10,942.77 and 5,980.55 is: 8,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.19 : 10,942.77 = 5,980.55 : x
  2. Step 2: Convert to fraction form
    7,312.19/10,942.77 = 5,980.55/x
  3. Step 3: Cross multiply
    7,312.19x = 10,942.77 × 5,980.55
  4. Step 4: Simplify right side
    7,312.19x = 65,443,783.12
  5. Step 5: Solve for x
    x = 65,443,783.12/7,312.19
  6. Step 6: Final answer
    x = 8,949.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.