Home / 5,095.76-7,643.55-4,970.12

Finding the Fourth Proportional to 5,095.76, 7,643.55 and 4,970.12

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Solution

The fourth proportional to 5,095.76, 7,643.55 and 4,970.12 is: 7,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.76 : 7,643.55 = 4,970.12 : x
  2. Step 2: Convert to fraction form
    5,095.76/7,643.55 = 4,970.12/x
  3. Step 3: Cross multiply
    5,095.76x = 7,643.55 × 4,970.12
  4. Step 4: Simplify right side
    5,095.76x = 37,989,360.73
  5. Step 5: Solve for x
    x = 37,989,360.73/5,095.76
  6. Step 6: Final answer
    x = 7,455.09

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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.