Home / 7,875.36-10,868.04-4,338.56

Finding the Fourth Proportional to 7,875.36, 10,868.04 and 4,338.56

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Solution

The fourth proportional to 7,875.36, 10,868.04 and 4,338.56 is: 5,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.36 : 10,868.04 = 4,338.56 : x
  2. Step 2: Convert to fraction form
    7,875.36/10,868.04 = 4,338.56/x
  3. Step 3: Cross multiply
    7,875.36x = 10,868.04 × 4,338.56
  4. Step 4: Simplify right side
    7,875.36x = 47,151,643.62
  5. Step 5: Solve for x
    x = 47,151,643.62/7,875.36
  6. Step 6: Final answer
    x = 5,987.24

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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.