Home / 7,095.81-9,792.45-3,909.34

Finding the Fourth Proportional to 7,095.81, 9,792.45 and 3,909.34

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Solution

The fourth proportional to 7,095.81, 9,792.45 and 3,909.34 is: 5,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,095.81 : 9,792.45 = 3,909.34 : x
  2. Step 2: Convert to fraction form
    7,095.81/9,792.45 = 3,909.34/x
  3. Step 3: Cross multiply
    7,095.81x = 9,792.45 × 3,909.34
  4. Step 4: Simplify right side
    7,095.81x = 38,282,016.48
  5. Step 5: Solve for x
    x = 38,282,016.48/7,095.81
  6. Step 6: Final answer
    x = 5,395.02

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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.