Home / 5,213.47-7,816.30-1,925.95

Finding the Fourth Proportional to 5,213.47, 7,816.30 and 1,925.95

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Solution

The fourth proportional to 5,213.47, 7,816.30 and 1,925.95 is: 2,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.47 : 7,816.30 = 1,925.95 : x
  2. Step 2: Convert to fraction form
    5,213.47/7,816.30 = 1,925.95/x
  3. Step 3: Cross multiply
    5,213.47x = 7,816.30 × 1,925.95
  4. Step 4: Simplify right side
    5,213.47x = 15,053,802.99
  5. Step 5: Solve for x
    x = 15,053,802.99/5,213.47
  6. Step 6: Final answer
    x = 2,887.48

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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.