Home / 6,509.25-9,783.02-5,405.76

Finding the Fourth Proportional to 6,509.25, 9,783.02 and 5,405.76

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Solution

The fourth proportional to 6,509.25, 9,783.02 and 5,405.76 is: 8,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.25 : 9,783.02 = 5,405.76 : x
  2. Step 2: Convert to fraction form
    6,509.25/9,783.02 = 5,405.76/x
  3. Step 3: Cross multiply
    6,509.25x = 9,783.02 × 5,405.76
  4. Step 4: Simplify right side
    6,509.25x = 52,884,671.71
  5. Step 5: Solve for x
    x = 52,884,671.71/6,509.25
  6. Step 6: Final answer
    x = 8,124.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.