Home / 7,818.21-10,788.63-4,461.27

Finding the Fourth Proportional to 7,818.21, 10,788.63 and 4,461.27

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Solution

The fourth proportional to 7,818.21, 10,788.63 and 4,461.27 is: 6,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.21 : 10,788.63 = 4,461.27 : x
  2. Step 2: Convert to fraction form
    7,818.21/10,788.63 = 4,461.27/x
  3. Step 3: Cross multiply
    7,818.21x = 10,788.63 × 4,461.27
  4. Step 4: Simplify right side
    7,818.21x = 48,130,991.36
  5. Step 5: Solve for x
    x = 48,130,991.36/7,818.21
  6. Step 6: Final answer
    x = 6,156.27

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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.