Home / 7,868.45-10,862.48-6,071.89

Finding the Fourth Proportional to 7,868.45, 10,862.48 and 6,071.89

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Solution

The fourth proportional to 7,868.45, 10,862.48 and 6,071.89 is: 8,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.45 : 10,862.48 = 6,071.89 : x
  2. Step 2: Convert to fraction form
    7,868.45/10,862.48 = 6,071.89/x
  3. Step 3: Cross multiply
    7,868.45x = 10,862.48 × 6,071.89
  4. Step 4: Simplify right side
    7,868.45x = 65,955,800.38
  5. Step 5: Solve for x
    x = 65,955,800.38/7,868.45
  6. Step 6: Final answer
    x = 8,382.31

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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.