Home / 7,831.58-10,807.88-4,294.91

Finding the Fourth Proportional to 7,831.58, 10,807.88 and 4,294.91

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Solution

The fourth proportional to 7,831.58, 10,807.88 and 4,294.91 is: 5,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.58 : 10,807.88 = 4,294.91 : x
  2. Step 2: Convert to fraction form
    7,831.58/10,807.88 = 4,294.91/x
  3. Step 3: Cross multiply
    7,831.58x = 10,807.88 × 4,294.91
  4. Step 4: Simplify right side
    7,831.58x = 46,418,796.38
  5. Step 5: Solve for x
    x = 46,418,796.38/7,831.58
  6. Step 6: Final answer
    x = 5,927.13

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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.