Home / 7,280.76-10,047.66-4,448.60

Finding the Fourth Proportional to 7,280.76, 10,047.66 and 4,448.60

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Solution

The fourth proportional to 7,280.76, 10,047.66 and 4,448.60 is: 6,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.76 : 10,047.66 = 4,448.60 : x
  2. Step 2: Convert to fraction form
    7,280.76/10,047.66 = 4,448.60/x
  3. Step 3: Cross multiply
    7,280.76x = 10,047.66 × 4,448.60
  4. Step 4: Simplify right side
    7,280.76x = 44,698,020.28
  5. Step 5: Solve for x
    x = 44,698,020.28/7,280.76
  6. Step 6: Final answer
    x = 6,139.20

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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.