Home / 7,141.02-10,711.28-1,875.99

Finding the Fourth Proportional to 7,141.02, 10,711.28 and 1,875.99

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Solution

The fourth proportional to 7,141.02, 10,711.28 and 1,875.99 is: 2,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.02 : 10,711.28 = 1,875.99 : x
  2. Step 2: Convert to fraction form
    7,141.02/10,711.28 = 1,875.99/x
  3. Step 3: Cross multiply
    7,141.02x = 10,711.28 × 1,875.99
  4. Step 4: Simplify right side
    7,141.02x = 20,094,244.79
  5. Step 5: Solve for x
    x = 20,094,244.79/7,141.02
  6. Step 6: Final answer
    x = 2,813.92

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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.