Home / 7,783.02-10,740.86-4,426.14

Finding the Fourth Proportional to 7,783.02, 10,740.86 and 4,426.14

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Solution

The fourth proportional to 7,783.02, 10,740.86 and 4,426.14 is: 6,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.02 : 10,740.86 = 4,426.14 : x
  2. Step 2: Convert to fraction form
    7,783.02/10,740.86 = 4,426.14/x
  3. Step 3: Cross multiply
    7,783.02x = 10,740.86 × 4,426.14
  4. Step 4: Simplify right side
    7,783.02x = 47,540,550.08
  5. Step 5: Solve for x
    x = 47,540,550.08/7,783.02
  6. Step 6: Final answer
    x = 6,108.24

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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.