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Finding the Fourth Proportional to 4,831.79, 7,252.43 and 2,368.40

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Solution

The fourth proportional to 4,831.79, 7,252.43 and 2,368.40 is: 3,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.79 : 7,252.43 = 2,368.40 : x
  2. Step 2: Convert to fraction form
    4,831.79/7,252.43 = 2,368.40/x
  3. Step 3: Cross multiply
    4,831.79x = 7,252.43 × 2,368.40
  4. Step 4: Simplify right side
    4,831.79x = 17,176,607.11
  5. Step 5: Solve for x
    x = 17,176,607.11/4,831.79
  6. Step 6: Final answer
    x = 3,554.92

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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.