Home / 7,285.60-10,925.70-2,355.40

Finding the Fourth Proportional to 7,285.60, 10,925.70 and 2,355.40

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Solution

The fourth proportional to 7,285.60, 10,925.70 and 2,355.40 is: 3,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.60 : 10,925.70 = 2,355.40 : x
  2. Step 2: Convert to fraction form
    7,285.60/10,925.70 = 2,355.40/x
  3. Step 3: Cross multiply
    7,285.60x = 10,925.70 × 2,355.40
  4. Step 4: Simplify right side
    7,285.60x = 25,734,393.78
  5. Step 5: Solve for x
    x = 25,734,393.78/7,285.60
  6. Step 6: Final answer
    x = 3,532.23

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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.