Home / 10,290.34-14,200.47-5,813.77

Finding the Fourth Proportional to 10,290.34, 14,200.47 and 5,813.77

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Solution

The fourth proportional to 10,290.34, 14,200.47 and 5,813.77 is: 8,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.34 : 14,200.47 = 5,813.77 : x
  2. Step 2: Convert to fraction form
    10,290.34/14,200.47 = 5,813.77/x
  3. Step 3: Cross multiply
    10,290.34x = 14,200.47 × 5,813.77
  4. Step 4: Simplify right side
    10,290.34x = 82,558,266.47
  5. Step 5: Solve for x
    x = 82,558,266.47/10,290.34
  6. Step 6: Final answer
    x = 8,022.89

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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.