Home / 7,430.82-11,145.51-5,360.58

Finding the Fourth Proportional to 7,430.82, 11,145.51 and 5,360.58

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Solution

The fourth proportional to 7,430.82, 11,145.51 and 5,360.58 is: 8,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.82 : 11,145.51 = 5,360.58 : x
  2. Step 2: Convert to fraction form
    7,430.82/11,145.51 = 5,360.58/x
  3. Step 3: Cross multiply
    7,430.82x = 11,145.51 × 5,360.58
  4. Step 4: Simplify right side
    7,430.82x = 59,746,398.00
  5. Step 5: Solve for x
    x = 59,746,398.00/7,430.82
  6. Step 6: Final answer
    x = 8,040.35

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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.