Home / 7,818.21-10,790.03-4,461.50

Finding the Fourth Proportional to 7,818.21, 10,790.03 and 4,461.50

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Solution

The fourth proportional to 7,818.21, 10,790.03 and 4,461.50 is: 6,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.21 : 10,790.03 = 4,461.50 : x
  2. Step 2: Convert to fraction form
    7,818.21/10,790.03 = 4,461.50/x
  3. Step 3: Cross multiply
    7,818.21x = 10,790.03 × 4,461.50
  4. Step 4: Simplify right side
    7,818.21x = 48,139,756.97
  5. Step 5: Solve for x
    x = 48,139,756.97/7,818.21
  6. Step 6: Final answer
    x = 6,157.39

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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.