Home / 8,319.37-11,484.77-5,340.27

Finding the Fourth Proportional to 8,319.37, 11,484.77 and 5,340.27

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Solution

The fourth proportional to 8,319.37, 11,484.77 and 5,340.27 is: 7,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.37 : 11,484.77 = 5,340.27 : x
  2. Step 2: Convert to fraction form
    8,319.37/11,484.77 = 5,340.27/x
  3. Step 3: Cross multiply
    8,319.37x = 11,484.77 × 5,340.27
  4. Step 4: Simplify right side
    8,319.37x = 61,331,727.08
  5. Step 5: Solve for x
    x = 61,331,727.08/8,319.37
  6. Step 6: Final answer
    x = 7,372.16

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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.