Home / 7,158.60-9,877.50-4,325.40

Finding the Fourth Proportional to 7,158.60, 9,877.50 and 4,325.40

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Solution

The fourth proportional to 7,158.60, 9,877.50 and 4,325.40 is: 5,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.60 : 9,877.50 = 4,325.40 : x
  2. Step 2: Convert to fraction form
    7,158.60/9,877.50 = 4,325.40/x
  3. Step 3: Cross multiply
    7,158.60x = 9,877.50 × 4,325.40
  4. Step 4: Simplify right side
    7,158.60x = 42,724,138.50
  5. Step 5: Solve for x
    x = 42,724,138.50/7,158.60
  6. Step 6: Final answer
    x = 5,968.23

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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.