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Finding the Fourth Proportional to 6,430.52, 8,869.11 and 4,305.37

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Solution

The fourth proportional to 6,430.52, 8,869.11 and 4,305.37 is: 5,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.52 : 8,869.11 = 4,305.37 : x
  2. Step 2: Convert to fraction form
    6,430.52/8,869.11 = 4,305.37/x
  3. Step 3: Cross multiply
    6,430.52x = 8,869.11 × 4,305.37
  4. Step 4: Simplify right side
    6,430.52x = 38,184,822.29
  5. Step 5: Solve for x
    x = 38,184,822.29/6,430.52
  6. Step 6: Final answer
    x = 5,938.06

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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.