Home / 4,270.55-6,409.07-2,880.59

Finding the Fourth Proportional to 4,270.55, 6,409.07 and 2,880.59

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Solution

The fourth proportional to 4,270.55, 6,409.07 and 2,880.59 is: 4,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.55 : 6,409.07 = 2,880.59 : x
  2. Step 2: Convert to fraction form
    4,270.55/6,409.07 = 2,880.59/x
  3. Step 3: Cross multiply
    4,270.55x = 6,409.07 × 2,880.59
  4. Step 4: Simplify right side
    4,270.55x = 18,461,888.55
  5. Step 5: Solve for x
    x = 18,461,888.55/4,270.55
  6. Step 6: Final answer
    x = 4,323.07

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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.