Home / 6,688.32-9,228.76-4,298.82

Finding the Fourth Proportional to 6,688.32, 9,228.76 and 4,298.82

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Solution

The fourth proportional to 6,688.32, 9,228.76 and 4,298.82 is: 5,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.32 : 9,228.76 = 4,298.82 : x
  2. Step 2: Convert to fraction form
    6,688.32/9,228.76 = 4,298.82/x
  3. Step 3: Cross multiply
    6,688.32x = 9,228.76 × 4,298.82
  4. Step 4: Simplify right side
    6,688.32x = 39,672,778.06
  5. Step 5: Solve for x
    x = 39,672,778.06/6,688.32
  6. Step 6: Final answer
    x = 5,931.65

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Half scale
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Double scale
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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.