Home / 7,485.08-11,228.65-2,553.40

Finding the Fourth Proportional to 7,485.08, 11,228.65 and 2,553.40

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Solution

The fourth proportional to 7,485.08, 11,228.65 and 2,553.40 is: 3,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.08 : 11,228.65 = 2,553.40 : x
  2. Step 2: Convert to fraction form
    7,485.08/11,228.65 = 2,553.40/x
  3. Step 3: Cross multiply
    7,485.08x = 11,228.65 × 2,553.40
  4. Step 4: Simplify right side
    7,485.08x = 28,671,218.16
  5. Step 5: Solve for x
    x = 28,671,218.16/7,485.08
  6. Step 6: Final answer
    x = 3,830.45

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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.