Home / 8,386.89-11,574.51-5,029.64

Finding the Fourth Proportional to 8,386.89, 11,574.51 and 5,029.64

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Solution

The fourth proportional to 8,386.89, 11,574.51 and 5,029.64 is: 6,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.89 : 11,574.51 = 5,029.64 : x
  2. Step 2: Convert to fraction form
    8,386.89/11,574.51 = 5,029.64/x
  3. Step 3: Cross multiply
    8,386.89x = 11,574.51 × 5,029.64
  4. Step 4: Simplify right side
    8,386.89x = 58,215,647.41
  5. Step 5: Solve for x
    x = 58,215,647.41/8,386.89
  6. Step 6: Final answer
    x = 6,941.27

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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.