Home / 8,900.01-12,280.02-5,313.33

Finding the Fourth Proportional to 8,900.01, 12,280.02 and 5,313.33

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Solution

The fourth proportional to 8,900.01, 12,280.02 and 5,313.33 is: 7,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.01 : 12,280.02 = 5,313.33 : x
  2. Step 2: Convert to fraction form
    8,900.01/12,280.02 = 5,313.33/x
  3. Step 3: Cross multiply
    8,900.01x = 12,280.02 × 5,313.33
  4. Step 4: Simplify right side
    8,900.01x = 65,247,798.67
  5. Step 5: Solve for x
    x = 65,247,798.67/8,900.01
  6. Step 6: Final answer
    x = 7,331.21

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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.