Home / 8,533.29-12,805.40-4,148.35

Finding the Fourth Proportional to 8,533.29, 12,805.40 and 4,148.35

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Solution

The fourth proportional to 8,533.29, 12,805.40 and 4,148.35 is: 6,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.29 : 12,805.40 = 4,148.35 : x
  2. Step 2: Convert to fraction form
    8,533.29/12,805.40 = 4,148.35/x
  3. Step 3: Cross multiply
    8,533.29x = 12,805.40 × 4,148.35
  4. Step 4: Simplify right side
    8,533.29x = 53,121,281.09
  5. Step 5: Solve for x
    x = 53,121,281.09/8,533.29
  6. Step 6: Final answer
    x = 6,225.18

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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.