Home / 5,295.20-7,307.36-2,905.19

Finding the Fourth Proportional to 5,295.20, 7,307.36 and 2,905.19

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Solution

The fourth proportional to 5,295.20, 7,307.36 and 2,905.19 is: 4,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.20 : 7,307.36 = 2,905.19 : x
  2. Step 2: Convert to fraction form
    5,295.20/7,307.36 = 2,905.19/x
  3. Step 3: Cross multiply
    5,295.20x = 7,307.36 × 2,905.19
  4. Step 4: Simplify right side
    5,295.20x = 21,229,218.14
  5. Step 5: Solve for x
    x = 21,229,218.14/5,295.20
  6. Step 6: Final answer
    x = 4,009.15

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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.