Home / 7,683.48-10,603.32-4,540.20

Finding the Fourth Proportional to 7,683.48, 10,603.32 and 4,540.20

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Solution

The fourth proportional to 7,683.48, 10,603.32 and 4,540.20 is: 6,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.48 : 10,603.32 = 4,540.20 : x
  2. Step 2: Convert to fraction form
    7,683.48/10,603.32 = 4,540.20/x
  3. Step 3: Cross multiply
    7,683.48x = 10,603.32 × 4,540.20
  4. Step 4: Simplify right side
    7,683.48x = 48,141,193.46
  5. Step 5: Solve for x
    x = 48,141,193.46/7,683.48
  6. Step 6: Final answer
    x = 6,265.55

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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.