Home / 5,030.22-7,545.40-1,520.25

Finding the Fourth Proportional to 5,030.22, 7,545.40 and 1,520.25

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Solution

The fourth proportional to 5,030.22, 7,545.40 and 1,520.25 is: 2,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.22 : 7,545.40 = 1,520.25 : x
  2. Step 2: Convert to fraction form
    5,030.22/7,545.40 = 1,520.25/x
  3. Step 3: Cross multiply
    5,030.22x = 7,545.40 × 1,520.25
  4. Step 4: Simplify right side
    5,030.22x = 11,470,918.84
  5. Step 5: Solve for x
    x = 11,470,918.84/5,030.22
  6. Step 6: Final answer
    x = 2,280.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.