Home / 5,495.47-7,587.21-3,816.34

Finding the Fourth Proportional to 5,495.47, 7,587.21 and 3,816.34

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Solution

The fourth proportional to 5,495.47, 7,587.21 and 3,816.34 is: 5,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.47 : 7,587.21 = 3,816.34 : x
  2. Step 2: Convert to fraction form
    5,495.47/7,587.21 = 3,816.34/x
  3. Step 3: Cross multiply
    5,495.47x = 7,587.21 × 3,816.34
  4. Step 4: Simplify right side
    5,495.47x = 28,955,373.01
  5. Step 5: Solve for x
    x = 28,955,373.01/5,495.47
  6. Step 6: Final answer
    x = 5,268.95

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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.