Home / 5,330.48-8,000.47-5,310.63

Finding the Fourth Proportional to 5,330.48, 8,000.47 and 5,310.63

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Solution

The fourth proportional to 5,330.48, 8,000.47 and 5,310.63 is: 7,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.48 : 8,000.47 = 5,310.63 : x
  2. Step 2: Convert to fraction form
    5,330.48/8,000.47 = 5,310.63/x
  3. Step 3: Cross multiply
    5,330.48x = 8,000.47 × 5,310.63
  4. Step 4: Simplify right side
    5,330.48x = 42,487,542.63
  5. Step 5: Solve for x
    x = 42,487,542.63/5,330.48
  6. Step 6: Final answer
    x = 7,970.69

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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.