Home / 5,430.02-8,146.26-1,732.46

Finding the Fourth Proportional to 5,430.02, 8,146.26 and 1,732.46

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Solution

The fourth proportional to 5,430.02, 8,146.26 and 1,732.46 is: 2,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.02 : 8,146.26 = 1,732.46 : x
  2. Step 2: Convert to fraction form
    5,430.02/8,146.26 = 1,732.46/x
  3. Step 3: Cross multiply
    5,430.02x = 8,146.26 × 1,732.46
  4. Step 4: Simplify right side
    5,430.02x = 14,113,028.87
  5. Step 5: Solve for x
    x = 14,113,028.87/5,430.02
  6. Step 6: Final answer
    x = 2,599.08

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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.