Home / 7,348.86-10,144.80-4,699.89

Finding the Fourth Proportional to 7,348.86, 10,144.80 and 4,699.89

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Solution

The fourth proportional to 7,348.86, 10,144.80 and 4,699.89 is: 6,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.86 : 10,144.80 = 4,699.89 : x
  2. Step 2: Convert to fraction form
    7,348.86/10,144.80 = 4,699.89/x
  3. Step 3: Cross multiply
    7,348.86x = 10,144.80 × 4,699.89
  4. Step 4: Simplify right side
    7,348.86x = 47,679,444.07
  5. Step 5: Solve for x
    x = 47,679,444.07/7,348.86
  6. Step 6: Final answer
    x = 6,488.01

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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.