Home / 4,831.98-7,247.67-1,869.21

Finding the Fourth Proportional to 4,831.98, 7,247.67 and 1,869.21

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Solution

The fourth proportional to 4,831.98, 7,247.67 and 1,869.21 is: 2,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.98 : 7,247.67 = 1,869.21 : x
  2. Step 2: Convert to fraction form
    4,831.98/7,247.67 = 1,869.21/x
  3. Step 3: Cross multiply
    4,831.98x = 7,247.67 × 1,869.21
  4. Step 4: Simplify right side
    4,831.98x = 13,547,417.24
  5. Step 5: Solve for x
    x = 13,547,417.24/4,831.98
  6. Step 6: Final answer
    x = 2,803.70

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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.