Home / 8,370.32-11,544.45-5,386.46

Finding the Fourth Proportional to 8,370.32, 11,544.45 and 5,386.46

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Solution

The fourth proportional to 8,370.32, 11,544.45 and 5,386.46 is: 7,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.32 : 11,544.45 = 5,386.46 : x
  2. Step 2: Convert to fraction form
    8,370.32/11,544.45 = 5,386.46/x
  3. Step 3: Cross multiply
    8,370.32x = 11,544.45 × 5,386.46
  4. Step 4: Simplify right side
    8,370.32x = 62,183,718.15
  5. Step 5: Solve for x
    x = 62,183,718.15/8,370.32
  6. Step 6: Final answer
    x = 7,429.07

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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.