Home / 7,615.77-10,510.01-4,212.83

Finding the Fourth Proportional to 7,615.77, 10,510.01 and 4,212.83

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Solution

The fourth proportional to 7,615.77, 10,510.01 and 4,212.83 is: 5,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.77 : 10,510.01 = 4,212.83 : x
  2. Step 2: Convert to fraction form
    7,615.77/10,510.01 = 4,212.83/x
  3. Step 3: Cross multiply
    7,615.77x = 10,510.01 × 4,212.83
  4. Step 4: Simplify right side
    7,615.77x = 44,276,885.43
  5. Step 5: Solve for x
    x = 44,276,885.43/7,615.77
  6. Step 6: Final answer
    x = 5,813.84

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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.