Home / 7,640.25-10,543.95-4,497.45

Finding the Fourth Proportional to 7,640.25, 10,543.95 and 4,497.45

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Solution

The fourth proportional to 7,640.25, 10,543.95 and 4,497.45 is: 6,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.25 : 10,543.95 = 4,497.45 : x
  2. Step 2: Convert to fraction form
    7,640.25/10,543.95 = 4,497.45/x
  3. Step 3: Cross multiply
    7,640.25x = 10,543.95 × 4,497.45
  4. Step 4: Simplify right side
    7,640.25x = 47,420,887.93
  5. Step 5: Solve for x
    x = 47,420,887.93/7,640.25
  6. Step 6: Final answer
    x = 6,206.72

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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.