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Finding the Fourth Proportional to 5,807, 8,013.36 and 3,154.32

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Solution

The fourth proportional to 5,807, 8,013.36 and 3,154.32 is: 4,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807 : 8,013.36 = 3,154.32 : x
  2. Step 2: Convert to fraction form
    5,807/8,013.36 = 3,154.32/x
  3. Step 3: Cross multiply
    5,807x = 8,013.36 × 3,154.32
  4. Step 4: Simplify right side
    5,807x = 25,276,701.72
  5. Step 5: Solve for x
    x = 25,276,701.72/5,807
  6. Step 6: Final answer
    x = 4,352.80

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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.