Home / 7,446.54-10,276.18-4,089.40

Finding the Fourth Proportional to 7,446.54, 10,276.18 and 4,089.40

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Solution

The fourth proportional to 7,446.54, 10,276.18 and 4,089.40 is: 5,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.54 : 10,276.18 = 4,089.40 : x
  2. Step 2: Convert to fraction form
    7,446.54/10,276.18 = 4,089.40/x
  3. Step 3: Cross multiply
    7,446.54x = 10,276.18 × 4,089.40
  4. Step 4: Simplify right side
    7,446.54x = 42,023,410.49
  5. Step 5: Solve for x
    x = 42,023,410.49/7,446.54
  6. Step 6: Final answer
    x = 5,643.35

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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.