Home / 7,810.59-10,777.68-4,453.41

Finding the Fourth Proportional to 7,810.59, 10,777.68 and 4,453.41

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Solution

The fourth proportional to 7,810.59, 10,777.68 and 4,453.41 is: 6,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.59 : 10,777.68 = 4,453.41 : x
  2. Step 2: Convert to fraction form
    7,810.59/10,777.68 = 4,453.41/x
  3. Step 3: Cross multiply
    7,810.59x = 10,777.68 × 4,453.41
  4. Step 4: Simplify right side
    7,810.59x = 47,997,427.89
  5. Step 5: Solve for x
    x = 47,997,427.89/7,810.59
  6. Step 6: Final answer
    x = 6,145.17

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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.