Home / 7,841.08-10,821.55-4,484.20

Finding the Fourth Proportional to 7,841.08, 10,821.55 and 4,484.20

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Solution

The fourth proportional to 7,841.08, 10,821.55 and 4,484.20 is: 6,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.08 : 10,821.55 = 4,484.20 : x
  2. Step 2: Convert to fraction form
    7,841.08/10,821.55 = 4,484.20/x
  3. Step 3: Cross multiply
    7,841.08x = 10,821.55 × 4,484.20
  4. Step 4: Simplify right side
    7,841.08x = 48,526,038.21
  5. Step 5: Solve for x
    x = 48,526,038.21/7,841.08
  6. Step 6: Final answer
    x = 6,188.69

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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.