Home / 7,107.84-10,599.12-6,615.36

Finding the Fourth Proportional to 7,107.84, 10,599.12 and 6,615.36

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Solution

The fourth proportional to 7,107.84, 10,599.12 and 6,615.36 is: 9,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.84 : 10,599.12 = 6,615.36 : x
  2. Step 2: Convert to fraction form
    7,107.84/10,599.12 = 6,615.36/x
  3. Step 3: Cross multiply
    7,107.84x = 10,599.12 × 6,615.36
  4. Step 4: Simplify right side
    7,107.84x = 70,116,994.48
  5. Step 5: Solve for x
    x = 70,116,994.48/7,107.84
  6. Step 6: Final answer
    x = 9,864.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.