Home / 7,509.98-11,261.28-4,390.77

Finding the Fourth Proportional to 7,509.98, 11,261.28 and 4,390.77

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Solution

The fourth proportional to 7,509.98, 11,261.28 and 4,390.77 is: 6,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.98 : 11,261.28 = 4,390.77 : x
  2. Step 2: Convert to fraction form
    7,509.98/11,261.28 = 4,390.77/x
  3. Step 3: Cross multiply
    7,509.98x = 11,261.28 × 4,390.77
  4. Step 4: Simplify right side
    7,509.98x = 49,445,690.39
  5. Step 5: Solve for x
    x = 49,445,690.39/7,509.98
  6. Step 6: Final answer
    x = 6,584.00

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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.