Home / 6,603.81-9,112.14-4,088.76

Finding the Fourth Proportional to 6,603.81, 9,112.14 and 4,088.76

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Solution

The fourth proportional to 6,603.81, 9,112.14 and 4,088.76 is: 5,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.81 : 9,112.14 = 4,088.76 : x
  2. Step 2: Convert to fraction form
    6,603.81/9,112.14 = 4,088.76/x
  3. Step 3: Cross multiply
    6,603.81x = 9,112.14 × 4,088.76
  4. Step 4: Simplify right side
    6,603.81x = 37,257,353.55
  5. Step 5: Solve for x
    x = 37,257,353.55/6,603.81
  6. Step 6: Final answer
    x = 5,641.80

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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.