Home / 5,355.88-7,385.52-5,235.16

Finding the Fourth Proportional to 5,355.88, 7,385.52 and 5,235.16

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Solution

The fourth proportional to 5,355.88, 7,385.52 and 5,235.16 is: 7,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.88 : 7,385.52 = 5,235.16 : x
  2. Step 2: Convert to fraction form
    5,355.88/7,385.52 = 5,235.16/x
  3. Step 3: Cross multiply
    5,355.88x = 7,385.52 × 5,235.16
  4. Step 4: Simplify right side
    5,355.88x = 38,664,378.88
  5. Step 5: Solve for x
    x = 38,664,378.88/5,355.88
  6. Step 6: Final answer
    x = 7,219.05

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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.