Home / 5,381.04-8,070.96-1,870.46

Finding the Fourth Proportional to 5,381.04, 8,070.96 and 1,870.46

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Solution

The fourth proportional to 5,381.04, 8,070.96 and 1,870.46 is: 2,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.04 : 8,070.96 = 1,870.46 : x
  2. Step 2: Convert to fraction form
    5,381.04/8,070.96 = 1,870.46/x
  3. Step 3: Cross multiply
    5,381.04x = 8,070.96 × 1,870.46
  4. Step 4: Simplify right side
    5,381.04x = 15,096,378.31
  5. Step 5: Solve for x
    x = 15,096,378.31/5,381.04
  6. Step 6: Final answer
    x = 2,805.47

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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.