Home / 7,089.84-10,637.16-2,931.84

Finding the Fourth Proportional to 7,089.84, 10,637.16 and 2,931.84

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Solution

The fourth proportional to 7,089.84, 10,637.16 and 2,931.84 is: 4,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.84 : 10,637.16 = 2,931.84 : x
  2. Step 2: Convert to fraction form
    7,089.84/10,637.16 = 2,931.84/x
  3. Step 3: Cross multiply
    7,089.84x = 10,637.16 × 2,931.84
  4. Step 4: Simplify right side
    7,089.84x = 31,186,451.17
  5. Step 5: Solve for x
    x = 31,186,451.17/7,089.84
  6. Step 6: Final answer
    x = 4,398.75

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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.