Home / 7,875.05-10,867.43-4,338.59

Finding the Fourth Proportional to 7,875.05, 10,867.43 and 4,338.59

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Solution

The fourth proportional to 7,875.05, 10,867.43 and 4,338.59 is: 5,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.05 : 10,867.43 = 4,338.59 : x
  2. Step 2: Convert to fraction form
    7,875.05/10,867.43 = 4,338.59/x
  3. Step 3: Cross multiply
    7,875.05x = 10,867.43 × 4,338.59
  4. Step 4: Simplify right side
    7,875.05x = 47,149,247.09
  5. Step 5: Solve for x
    x = 47,149,247.09/7,875.05
  6. Step 6: Final answer
    x = 5,987.17

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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.