Home / 6,875.55-10,312.92-1,945.89

Finding the Fourth Proportional to 6,875.55, 10,312.92 and 1,945.89

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Solution

The fourth proportional to 6,875.55, 10,312.92 and 1,945.89 is: 2,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.55 : 10,312.92 = 1,945.89 : x
  2. Step 2: Convert to fraction form
    6,875.55/10,312.92 = 1,945.89/x
  3. Step 3: Cross multiply
    6,875.55x = 10,312.92 × 1,945.89
  4. Step 4: Simplify right side
    6,875.55x = 20,067,807.90
  5. Step 5: Solve for x
    x = 20,067,807.90/6,875.55
  6. Step 6: Final answer
    x = 2,918.72

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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.