Home / 6,445.67-8,892.36-4,206.74

Finding the Fourth Proportional to 6,445.67, 8,892.36 and 4,206.74

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Solution

The fourth proportional to 6,445.67, 8,892.36 and 4,206.74 is: 5,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.67 : 8,892.36 = 4,206.74 : x
  2. Step 2: Convert to fraction form
    6,445.67/8,892.36 = 4,206.74/x
  3. Step 3: Cross multiply
    6,445.67x = 8,892.36 × 4,206.74
  4. Step 4: Simplify right side
    6,445.67x = 37,407,802.04
  5. Step 5: Solve for x
    x = 37,407,802.04/6,445.67
  6. Step 6: Final answer
    x = 5,803.56

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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.