Home / 9,210.64-13,818.28-2,637.40

Finding the Fourth Proportional to 9,210.64, 13,818.28 and 2,637.40

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Solution

The fourth proportional to 9,210.64, 13,818.28 and 2,637.40 is: 3,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.64 : 13,818.28 = 2,637.40 : x
  2. Step 2: Convert to fraction form
    9,210.64/13,818.28 = 2,637.40/x
  3. Step 3: Cross multiply
    9,210.64x = 13,818.28 × 2,637.40
  4. Step 4: Simplify right side
    9,210.64x = 36,444,331.67
  5. Step 5: Solve for x
    x = 36,444,331.67/9,210.64
  6. Step 6: Final answer
    x = 3,956.76

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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.