Home / 5,812.31-8,718.47-1,917.02

Finding the Fourth Proportional to 5,812.31, 8,718.47 and 1,917.02

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Solution

The fourth proportional to 5,812.31, 8,718.47 and 1,917.02 is: 2,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.31 : 8,718.47 = 1,917.02 : x
  2. Step 2: Convert to fraction form
    5,812.31/8,718.47 = 1,917.02/x
  3. Step 3: Cross multiply
    5,812.31x = 8,718.47 × 1,917.02
  4. Step 4: Simplify right side
    5,812.31x = 16,713,500.76
  5. Step 5: Solve for x
    x = 16,713,500.76/5,812.31
  6. Step 6: Final answer
    x = 2,875.53

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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.