Home / 7,408.04-10,220.24-4,570.49

Finding the Fourth Proportional to 7,408.04, 10,220.24 and 4,570.49

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Solution

The fourth proportional to 7,408.04, 10,220.24 and 4,570.49 is: 6,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.04 : 10,220.24 = 4,570.49 : x
  2. Step 2: Convert to fraction form
    7,408.04/10,220.24 = 4,570.49/x
  3. Step 3: Cross multiply
    7,408.04x = 10,220.24 × 4,570.49
  4. Step 4: Simplify right side
    7,408.04x = 46,711,479.30
  5. Step 5: Solve for x
    x = 46,711,479.30/7,408.04
  6. Step 6: Final answer
    x = 6,305.51

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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.