Home / 7,314.19-10,095.38-4,172.20

Finding the Fourth Proportional to 7,314.19, 10,095.38 and 4,172.20

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Solution

The fourth proportional to 7,314.19, 10,095.38 and 4,172.20 is: 5,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.19 : 10,095.38 = 4,172.20 : x
  2. Step 2: Convert to fraction form
    7,314.19/10,095.38 = 4,172.20/x
  3. Step 3: Cross multiply
    7,314.19x = 10,095.38 × 4,172.20
  4. Step 4: Simplify right side
    7,314.19x = 42,119,913.98
  5. Step 5: Solve for x
    x = 42,119,913.98/7,314.19
  6. Step 6: Final answer
    x = 5,758.66

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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.