Home / 4,315.17-6,471.37-1,392.79

Finding the Fourth Proportional to 4,315.17, 6,471.37 and 1,392.79

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Solution

The fourth proportional to 4,315.17, 6,471.37 and 1,392.79 is: 2,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.17 : 6,471.37 = 1,392.79 : x
  2. Step 2: Convert to fraction form
    4,315.17/6,471.37 = 1,392.79/x
  3. Step 3: Cross multiply
    4,315.17x = 6,471.37 × 1,392.79
  4. Step 4: Simplify right side
    4,315.17x = 9,013,259.42
  5. Step 5: Solve for x
    x = 9,013,259.42/4,315.17
  6. Step 6: Final answer
    x = 2,088.74

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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.