Home / 5,445.77-7,518.29-3,852.90

Finding the Fourth Proportional to 5,445.77, 7,518.29 and 3,852.90

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Solution

The fourth proportional to 5,445.77, 7,518.29 and 3,852.90 is: 5,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.77 : 7,518.29 = 3,852.90 : x
  2. Step 2: Convert to fraction form
    5,445.77/7,518.29 = 3,852.90/x
  3. Step 3: Cross multiply
    5,445.77x = 7,518.29 × 3,852.90
  4. Step 4: Simplify right side
    5,445.77x = 28,967,200.28
  5. Step 5: Solve for x
    x = 28,967,200.28/5,445.77
  6. Step 6: Final answer
    x = 5,319.22

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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.