Home / 4,580.56-6,870.66-1,806.40

Finding the Fourth Proportional to 4,580.56, 6,870.66 and 1,806.40

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Solution

The fourth proportional to 4,580.56, 6,870.66 and 1,806.40 is: 2,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.56 : 6,870.66 = 1,806.40 : x
  2. Step 2: Convert to fraction form
    4,580.56/6,870.66 = 1,806.40/x
  3. Step 3: Cross multiply
    4,580.56x = 6,870.66 × 1,806.40
  4. Step 4: Simplify right side
    4,580.56x = 12,411,160.22
  5. Step 5: Solve for x
    x = 12,411,160.22/4,580.56
  6. Step 6: Final answer
    x = 2,709.53

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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.