Home / 7,395.15-10,199.52-4,742.80

Finding the Fourth Proportional to 7,395.15, 10,199.52 and 4,742.80

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Solution

The fourth proportional to 7,395.15, 10,199.52 and 4,742.80 is: 6,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.15 : 10,199.52 = 4,742.80 : x
  2. Step 2: Convert to fraction form
    7,395.15/10,199.52 = 4,742.80/x
  3. Step 3: Cross multiply
    7,395.15x = 10,199.52 × 4,742.80
  4. Step 4: Simplify right side
    7,395.15x = 48,374,315.33
  5. Step 5: Solve for x
    x = 48,374,315.33/7,395.15
  6. Step 6: Final answer
    x = 6,541.36

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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.