Home / 4,307.46-6,461.20-1,386.00

Finding the Fourth Proportional to 4,307.46, 6,461.20 and 1,386.00

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Solution

The fourth proportional to 4,307.46, 6,461.20 and 1,386.00 is: 2,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.46 : 6,461.20 = 1,386.00 : x
  2. Step 2: Convert to fraction form
    4,307.46/6,461.20 = 1,386.00/x
  3. Step 3: Cross multiply
    4,307.46x = 6,461.20 × 1,386.00
  4. Step 4: Simplify right side
    4,307.46x = 8,955,192.91
  5. Step 5: Solve for x
    x = 8,955,192.91/4,307.46
  6. Step 6: Final answer
    x = 2,078.99

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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.