Home / 4,407.78-6,606.63-1,807.50

Finding the Fourth Proportional to 4,407.78, 6,606.63 and 1,807.50

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Solution

The fourth proportional to 4,407.78, 6,606.63 and 1,807.50 is: 2,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.78 : 6,606.63 = 1,807.50 : x
  2. Step 2: Convert to fraction form
    4,407.78/6,606.63 = 1,807.50/x
  3. Step 3: Cross multiply
    4,407.78x = 6,606.63 × 1,807.50
  4. Step 4: Simplify right side
    4,407.78x = 11,941,483.73
  5. Step 5: Solve for x
    x = 11,941,483.73/4,407.78
  6. Step 6: Final answer
    x = 2,709.18

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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.