Home / 6,129.15-8,460.75-4,637.53

Finding the Fourth Proportional to 6,129.15, 8,460.75 and 4,637.53

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Solution

The fourth proportional to 6,129.15, 8,460.75 and 4,637.53 is: 6,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.15 : 8,460.75 = 4,637.53 : x
  2. Step 2: Convert to fraction form
    6,129.15/8,460.75 = 4,637.53/x
  3. Step 3: Cross multiply
    6,129.15x = 8,460.75 × 4,637.53
  4. Step 4: Simplify right side
    6,129.15x = 39,236,981.95
  5. Step 5: Solve for x
    x = 39,236,981.95/6,129.15
  6. Step 6: Final answer
    x = 6,401.70

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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.