Home / 6,823.48-9,417.16-3,840.04

Finding the Fourth Proportional to 6,823.48, 9,417.16 and 3,840.04

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Solution

The fourth proportional to 6,823.48, 9,417.16 and 3,840.04 is: 5,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.48 : 9,417.16 = 3,840.04 : x
  2. Step 2: Convert to fraction form
    6,823.48/9,417.16 = 3,840.04/x
  3. Step 3: Cross multiply
    6,823.48x = 9,417.16 × 3,840.04
  4. Step 4: Simplify right side
    6,823.48x = 36,162,271.09
  5. Step 5: Solve for x
    x = 36,162,271.09/6,823.48
  6. Step 6: Final answer
    x = 5,299.68

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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.