Home / 7,918.34-10,927.31-4,381.56

Finding the Fourth Proportional to 7,918.34, 10,927.31 and 4,381.56

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Solution

The fourth proportional to 7,918.34, 10,927.31 and 4,381.56 is: 6,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.34 : 10,927.31 = 4,381.56 : x
  2. Step 2: Convert to fraction form
    7,918.34/10,927.31 = 4,381.56/x
  3. Step 3: Cross multiply
    7,918.34x = 10,927.31 × 4,381.56
  4. Step 4: Simplify right side
    7,918.34x = 47,878,642.50
  5. Step 5: Solve for x
    x = 47,878,642.50/7,918.34
  6. Step 6: Final answer
    x = 6,046.55

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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.