Home / 7,875.42-10,868.54-4,519.18

Finding the Fourth Proportional to 7,875.42, 10,868.54 and 4,519.18

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Solution

The fourth proportional to 7,875.42, 10,868.54 and 4,519.18 is: 6,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.42 : 10,868.54 = 4,519.18 : x
  2. Step 2: Convert to fraction form
    7,875.42/10,868.54 = 4,519.18/x
  3. Step 3: Cross multiply
    7,875.42x = 10,868.54 × 4,519.18
  4. Step 4: Simplify right side
    7,875.42x = 49,116,888.60
  5. Step 5: Solve for x
    x = 49,116,888.60/7,875.42
  6. Step 6: Final answer
    x = 6,236.73

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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.