Home / 7,530.15-10,391.75-4,545.30

Finding the Fourth Proportional to 7,530.15, 10,391.75 and 4,545.30

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Solution

The fourth proportional to 7,530.15, 10,391.75 and 4,545.30 is: 6,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.15 : 10,391.75 = 4,545.30 : x
  2. Step 2: Convert to fraction form
    7,530.15/10,391.75 = 4,545.30/x
  3. Step 3: Cross multiply
    7,530.15x = 10,391.75 × 4,545.30
  4. Step 4: Simplify right side
    7,530.15x = 47,233,598.55
  5. Step 5: Solve for x
    x = 47,233,598.55/7,530.15
  6. Step 6: Final answer
    x = 6,272.60

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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.