Home / 9,127.86-12,596.47-5,590.99

Finding the Fourth Proportional to 9,127.86, 12,596.47 and 5,590.99

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Solution

The fourth proportional to 9,127.86, 12,596.47 and 5,590.99 is: 7,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.86 : 12,596.47 = 5,590.99 : x
  2. Step 2: Convert to fraction form
    9,127.86/12,596.47 = 5,590.99/x
  3. Step 3: Cross multiply
    9,127.86x = 12,596.47 × 5,590.99
  4. Step 4: Simplify right side
    9,127.86x = 70,426,739.57
  5. Step 5: Solve for x
    x = 70,426,739.57/9,127.86
  6. Step 6: Final answer
    x = 7,715.58

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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.