Home / 9,133.74-13,690.75-4,456.90

Finding the Fourth Proportional to 9,133.74, 13,690.75 and 4,456.90

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Solution

The fourth proportional to 9,133.74, 13,690.75 and 4,456.90 is: 6,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.74 : 13,690.75 = 4,456.90 : x
  2. Step 2: Convert to fraction form
    9,133.74/13,690.75 = 4,456.90/x
  3. Step 3: Cross multiply
    9,133.74x = 13,690.75 × 4,456.90
  4. Step 4: Simplify right side
    9,133.74x = 61,018,303.68
  5. Step 5: Solve for x
    x = 61,018,303.68/9,133.74
  6. Step 6: Final answer
    x = 6,680.54

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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.