Home / 6,458.35-8,911.14-4,223.52

Finding the Fourth Proportional to 6,458.35, 8,911.14 and 4,223.52

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Solution

The fourth proportional to 6,458.35, 8,911.14 and 4,223.52 is: 5,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.35 : 8,911.14 = 4,223.52 : x
  2. Step 2: Convert to fraction form
    6,458.35/8,911.14 = 4,223.52/x
  3. Step 3: Cross multiply
    6,458.35x = 8,911.14 × 4,223.52
  4. Step 4: Simplify right side
    6,458.35x = 37,636,378.01
  5. Step 5: Solve for x
    x = 37,636,378.01/6,458.35
  6. Step 6: Final answer
    x = 5,827.55

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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.