Home / 6,019.48-8,307.66-3,929.68

Finding the Fourth Proportional to 6,019.48, 8,307.66 and 3,929.68

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Solution

The fourth proportional to 6,019.48, 8,307.66 and 3,929.68 is: 5,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,019.48 : 8,307.66 = 3,929.68 : x
  2. Step 2: Convert to fraction form
    6,019.48/8,307.66 = 3,929.68/x
  3. Step 3: Cross multiply
    6,019.48x = 8,307.66 × 3,929.68
  4. Step 4: Simplify right side
    6,019.48x = 32,646,445.35
  5. Step 5: Solve for x
    x = 32,646,445.35/6,019.48
  6. Step 6: Final answer
    x = 5,423.47

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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.