Home / 7,403.04-10,220.74-4,755.10

Finding the Fourth Proportional to 7,403.04, 10,220.74 and 4,755.10

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Solution

The fourth proportional to 7,403.04, 10,220.74 and 4,755.10 is: 6,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.04 : 10,220.74 = 4,755.10 : x
  2. Step 2: Convert to fraction form
    7,403.04/10,220.74 = 4,755.10/x
  3. Step 3: Cross multiply
    7,403.04x = 10,220.74 × 4,755.10
  4. Step 4: Simplify right side
    7,403.04x = 48,600,640.77
  5. Step 5: Solve for x
    x = 48,600,640.77/7,403.04
  6. Step 6: Final answer
    x = 6,564.96

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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.