Home / 5,810.89-8,017.98-3,420.67

Finding the Fourth Proportional to 5,810.89, 8,017.98 and 3,420.67

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Solution

The fourth proportional to 5,810.89, 8,017.98 and 3,420.67 is: 4,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.89 : 8,017.98 = 3,420.67 : x
  2. Step 2: Convert to fraction form
    5,810.89/8,017.98 = 3,420.67/x
  3. Step 3: Cross multiply
    5,810.89x = 8,017.98 × 3,420.67
  4. Step 4: Simplify right side
    5,810.89x = 27,426,863.65
  5. Step 5: Solve for x
    x = 27,426,863.65/5,810.89
  6. Step 6: Final answer
    x = 4,719.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.