Home / 7,384.09-10,191.95-4,553.74

Finding the Fourth Proportional to 7,384.09, 10,191.95 and 4,553.74

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Solution

The fourth proportional to 7,384.09, 10,191.95 and 4,553.74 is: 6,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.09 : 10,191.95 = 4,553.74 : x
  2. Step 2: Convert to fraction form
    7,384.09/10,191.95 = 4,553.74/x
  3. Step 3: Cross multiply
    7,384.09x = 10,191.95 × 4,553.74
  4. Step 4: Simplify right side
    7,384.09x = 46,411,538.91
  5. Step 5: Solve for x
    x = 46,411,538.91/7,384.09
  6. Step 6: Final answer
    x = 6,285.35

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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.