Home / 4,309.02-6,463.98-1,386.63

Finding the Fourth Proportional to 4,309.02, 6,463.98 and 1,386.63

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Solution

The fourth proportional to 4,309.02, 6,463.98 and 1,386.63 is: 2,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.02 : 6,463.98 = 1,386.63 : x
  2. Step 2: Convert to fraction form
    4,309.02/6,463.98 = 1,386.63/x
  3. Step 3: Cross multiply
    4,309.02x = 6,463.98 × 1,386.63
  4. Step 4: Simplify right side
    4,309.02x = 8,963,148.59
  5. Step 5: Solve for x
    x = 8,963,148.59/4,309.02
  6. Step 6: Final answer
    x = 2,080.09

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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.