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Finding the Fourth Proportional to 7,509.66, 10,356.60 and 6,254.88

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Solution

The fourth proportional to 7,509.66, 10,356.60 and 6,254.88 is: 8,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.66 : 10,356.60 = 6,254.88 : x
  2. Step 2: Convert to fraction form
    7,509.66/10,356.60 = 6,254.88/x
  3. Step 3: Cross multiply
    7,509.66x = 10,356.60 × 6,254.88
  4. Step 4: Simplify right side
    7,509.66x = 64,779,290.21
  5. Step 5: Solve for x
    x = 64,779,290.21/7,509.66
  6. Step 6: Final answer
    x = 8,626.13

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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.