Home / 4,087.49-6,130.51-1,085.56

Finding the Fourth Proportional to 4,087.49, 6,130.51 and 1,085.56

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Solution

The fourth proportional to 4,087.49, 6,130.51 and 1,085.56 is: 1,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.49 : 6,130.51 = 1,085.56 : x
  2. Step 2: Convert to fraction form
    4,087.49/6,130.51 = 1,085.56/x
  3. Step 3: Cross multiply
    4,087.49x = 6,130.51 × 1,085.56
  4. Step 4: Simplify right side
    4,087.49x = 6,655,018.40
  5. Step 5: Solve for x
    x = 6,655,018.40/4,087.49
  6. Step 6: Final answer
    x = 1,628.15

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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.