Home / 4,639.98-6,959.86-1,130.00

Finding the Fourth Proportional to 4,639.98, 6,959.86 and 1,130.00

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Solution

The fourth proportional to 4,639.98, 6,959.86 and 1,130.00 is: 1,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.98 : 6,959.86 = 1,130.00 : x
  2. Step 2: Convert to fraction form
    4,639.98/6,959.86 = 1,130.00/x
  3. Step 3: Cross multiply
    4,639.98x = 6,959.86 × 1,130.00
  4. Step 4: Simplify right side
    4,639.98x = 7,864,649.68
  5. Step 5: Solve for x
    x = 7,864,649.68/4,639.98
  6. Step 6: Final answer
    x = 1,694.98

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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.