Home / 6,947.21-10,443.40-5,575.58

Finding the Fourth Proportional to 6,947.21, 10,443.40 and 5,575.58

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Solution

The fourth proportional to 6,947.21, 10,443.40 and 5,575.58 is: 8,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.21 : 10,443.40 = 5,575.58 : x
  2. Step 2: Convert to fraction form
    6,947.21/10,443.40 = 5,575.58/x
  3. Step 3: Cross multiply
    6,947.21x = 10,443.40 × 5,575.58
  4. Step 4: Simplify right side
    6,947.21x = 58,228,012.17
  5. Step 5: Solve for x
    x = 58,228,012.17/6,947.21
  6. Step 6: Final answer
    x = 8,381.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.