Home / 4,430.23-6,643.72-1,831.75

Finding the Fourth Proportional to 4,430.23, 6,643.72 and 1,831.75

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Solution

The fourth proportional to 4,430.23, 6,643.72 and 1,831.75 is: 2,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.23 : 6,643.72 = 1,831.75 : x
  2. Step 2: Convert to fraction form
    4,430.23/6,643.72 = 1,831.75/x
  3. Step 3: Cross multiply
    4,430.23x = 6,643.72 × 1,831.75
  4. Step 4: Simplify right side
    4,430.23x = 12,169,634.11
  5. Step 5: Solve for x
    x = 12,169,634.11/4,430.23
  6. Step 6: Final answer
    x = 2,746.95

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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.