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Finding the Fourth Proportional to 7,580.58, 10,459.29 and 4,927.56

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Solution

The fourth proportional to 7,580.58, 10,459.29 and 4,927.56 is: 6,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.58 : 10,459.29 = 4,927.56 : x
  2. Step 2: Convert to fraction form
    7,580.58/10,459.29 = 4,927.56/x
  3. Step 3: Cross multiply
    7,580.58x = 10,459.29 × 4,927.56
  4. Step 4: Simplify right side
    7,580.58x = 51,538,779.03
  5. Step 5: Solve for x
    x = 51,538,779.03/7,580.58
  6. Step 6: Final answer
    x = 6,798.79

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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.