Home / 5,530.59-7,641.93-4,420.69

Finding the Fourth Proportional to 5,530.59, 7,641.93 and 4,420.69

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Solution

The fourth proportional to 5,530.59, 7,641.93 and 4,420.69 is: 6,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.59 : 7,641.93 = 4,420.69 : x
  2. Step 2: Convert to fraction form
    5,530.59/7,641.93 = 4,420.69/x
  3. Step 3: Cross multiply
    5,530.59x = 7,641.93 × 4,420.69
  4. Step 4: Simplify right side
    5,530.59x = 33,782,603.53
  5. Step 5: Solve for x
    x = 33,782,603.53/5,530.59
  6. Step 6: Final answer
    x = 6,108.32

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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.