Home / 4,347.04-6,518.56-2,155

Finding the Fourth Proportional to 4,347.04, 6,518.56 and 2,155

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Solution

The fourth proportional to 4,347.04, 6,518.56 and 2,155 is: 3,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.04 : 6,518.56 = 2,155 : x
  2. Step 2: Convert to fraction form
    4,347.04/6,518.56 = 2,155/x
  3. Step 3: Cross multiply
    4,347.04x = 6,518.56 × 2,155
  4. Step 4: Simplify right side
    4,347.04x = 14,047,496.80
  5. Step 5: Solve for x
    x = 14,047,496.80/4,347.04
  6. Step 6: Final answer
    x = 3,231.51

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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.