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Finding the Fourth Proportional to 7,079.76, 10,621.08 and 5,848.56

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Solution

The fourth proportional to 7,079.76, 10,621.08 and 5,848.56 is: 8,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.76 : 10,621.08 = 5,848.56 : x
  2. Step 2: Convert to fraction form
    7,079.76/10,621.08 = 5,848.56/x
  3. Step 3: Cross multiply
    7,079.76x = 10,621.08 × 5,848.56
  4. Step 4: Simplify right side
    7,079.76x = 62,118,023.64
  5. Step 5: Solve for x
    x = 62,118,023.64/7,079.76
  6. Step 6: Final answer
    x = 8,774.03

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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.