Home / 6,815.60-9,378.96-6,031.52

Finding the Fourth Proportional to 6,815.60, 9,378.96 and 6,031.52

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Solution

The fourth proportional to 6,815.60, 9,378.96 and 6,031.52 is: 8,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.60 : 9,378.96 = 6,031.52 : x
  2. Step 2: Convert to fraction form
    6,815.60/9,378.96 = 6,031.52/x
  3. Step 3: Cross multiply
    6,815.60x = 9,378.96 × 6,031.52
  4. Step 4: Simplify right side
    6,815.60x = 56,569,384.82
  5. Step 5: Solve for x
    x = 56,569,384.82/6,815.60
  6. Step 6: Final answer
    x = 8,299.99

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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.