Home / 5,618.06-8,427.05-4,386.50

Finding the Fourth Proportional to 5,618.06, 8,427.05 and 4,386.50

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Solution

The fourth proportional to 5,618.06, 8,427.05 and 4,386.50 is: 6,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.06 : 8,427.05 = 4,386.50 : x
  2. Step 2: Convert to fraction form
    5,618.06/8,427.05 = 4,386.50/x
  3. Step 3: Cross multiply
    5,618.06x = 8,427.05 × 4,386.50
  4. Step 4: Simplify right side
    5,618.06x = 36,965,254.83
  5. Step 5: Solve for x
    x = 36,965,254.83/5,618.06
  6. Step 6: Final answer
    x = 6,579.72

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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.