Home / 8,484.08-11,709.60-5,298.80

Finding the Fourth Proportional to 8,484.08, 11,709.60 and 5,298.80

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Solution

The fourth proportional to 8,484.08, 11,709.60 and 5,298.80 is: 7,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.08 : 11,709.60 = 5,298.80 : x
  2. Step 2: Convert to fraction form
    8,484.08/11,709.60 = 5,298.80/x
  3. Step 3: Cross multiply
    8,484.08x = 11,709.60 × 5,298.80
  4. Step 4: Simplify right side
    8,484.08x = 62,046,828.48
  5. Step 5: Solve for x
    x = 62,046,828.48/8,484.08
  6. Step 6: Final answer
    x = 7,313.32

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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.