Home / 7,890.48-10,887.96-4,532.76

Finding the Fourth Proportional to 7,890.48, 10,887.96 and 4,532.76

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Solution

The fourth proportional to 7,890.48, 10,887.96 and 4,532.76 is: 6,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.48 : 10,887.96 = 4,532.76 : x
  2. Step 2: Convert to fraction form
    7,890.48/10,887.96 = 4,532.76/x
  3. Step 3: Cross multiply
    7,890.48x = 10,887.96 × 4,532.76
  4. Step 4: Simplify right side
    7,890.48x = 49,352,509.57
  5. Step 5: Solve for x
    x = 49,352,509.57/7,890.48
  6. Step 6: Final answer
    x = 6,254.69

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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.