Home / 7,921.14-10,931.01-4,384.14

Finding the Fourth Proportional to 7,921.14, 10,931.01 and 4,384.14

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Solution

The fourth proportional to 7,921.14, 10,931.01 and 4,384.14 is: 6,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.14 : 10,931.01 = 4,384.14 : x
  2. Step 2: Convert to fraction form
    7,921.14/10,931.01 = 4,384.14/x
  3. Step 3: Cross multiply
    7,921.14x = 10,931.01 × 4,384.14
  4. Step 4: Simplify right side
    7,921.14x = 47,923,078.18
  5. Step 5: Solve for x
    x = 47,923,078.18/7,921.14
  6. Step 6: Final answer
    x = 6,050.02

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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.