Home / 9,142.07-12,616.09-4,950.32

Finding the Fourth Proportional to 9,142.07, 12,616.09 and 4,950.32

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Solution

The fourth proportional to 9,142.07, 12,616.09 and 4,950.32 is: 6,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.07 : 12,616.09 = 4,950.32 : x
  2. Step 2: Convert to fraction form
    9,142.07/12,616.09 = 4,950.32/x
  3. Step 3: Cross multiply
    9,142.07x = 12,616.09 × 4,950.32
  4. Step 4: Simplify right side
    9,142.07x = 62,453,701.81
  5. Step 5: Solve for x
    x = 62,453,701.81/9,142.07
  6. Step 6: Final answer
    x = 6,831.46

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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.