Home / 7,030.40-9,705.84-5,261.36

Finding the Fourth Proportional to 7,030.40, 9,705.84 and 5,261.36

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Solution

The fourth proportional to 7,030.40, 9,705.84 and 5,261.36 is: 7,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.40 : 9,705.84 = 5,261.36 : x
  2. Step 2: Convert to fraction form
    7,030.40/9,705.84 = 5,261.36/x
  3. Step 3: Cross multiply
    7,030.40x = 9,705.84 × 5,261.36
  4. Step 4: Simplify right side
    7,030.40x = 51,065,918.34
  5. Step 5: Solve for x
    x = 51,065,918.34/7,030.40
  6. Step 6: Final answer
    x = 7,263.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.