Home / 5,560.81-8,315.93-4,156.20

Finding the Fourth Proportional to 5,560.81, 8,315.93 and 4,156.20

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Solution

The fourth proportional to 5,560.81, 8,315.93 and 4,156.20 is: 6,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.81 : 8,315.93 = 4,156.20 : x
  2. Step 2: Convert to fraction form
    5,560.81/8,315.93 = 4,156.20/x
  3. Step 3: Cross multiply
    5,560.81x = 8,315.93 × 4,156.20
  4. Step 4: Simplify right side
    5,560.81x = 34,562,678.66
  5. Step 5: Solve for x
    x = 34,562,678.66/5,560.81
  6. Step 6: Final answer
    x = 6,215.41

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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.