Home / 7,866.32-10,854.14-4,722.57

Finding the Fourth Proportional to 7,866.32, 10,854.14 and 4,722.57

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Solution

The fourth proportional to 7,866.32, 10,854.14 and 4,722.57 is: 6,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.32 : 10,854.14 = 4,722.57 : x
  2. Step 2: Convert to fraction form
    7,866.32/10,854.14 = 4,722.57/x
  3. Step 3: Cross multiply
    7,866.32x = 10,854.14 × 4,722.57
  4. Step 4: Simplify right side
    7,866.32x = 51,259,412.33
  5. Step 5: Solve for x
    x = 51,259,412.33/7,866.32
  6. Step 6: Final answer
    x = 6,516.32

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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.