Home / 6,430.89-9,652.29-3,970.53

Finding the Fourth Proportional to 6,430.89, 9,652.29 and 3,970.53

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Solution

The fourth proportional to 6,430.89, 9,652.29 and 3,970.53 is: 5,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.89 : 9,652.29 = 3,970.53 : x
  2. Step 2: Convert to fraction form
    6,430.89/9,652.29 = 3,970.53/x
  3. Step 3: Cross multiply
    6,430.89x = 9,652.29 × 3,970.53
  4. Step 4: Simplify right side
    6,430.89x = 38,324,707.01
  5. Step 5: Solve for x
    x = 38,324,707.01/6,430.89
  6. Step 6: Final answer
    x = 5,959.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.