Home / 8,435.48-11,641.66-4,658.99

Finding the Fourth Proportional to 8,435.48, 11,641.66 and 4,658.99

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Solution

The fourth proportional to 8,435.48, 11,641.66 and 4,658.99 is: 6,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.48 : 11,641.66 = 4,658.99 : x
  2. Step 2: Convert to fraction form
    8,435.48/11,641.66 = 4,658.99/x
  3. Step 3: Cross multiply
    8,435.48x = 11,641.66 × 4,658.99
  4. Step 4: Simplify right side
    8,435.48x = 54,238,307.67
  5. Step 5: Solve for x
    x = 54,238,307.67/8,435.48
  6. Step 6: Final answer
    x = 6,429.79

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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.