Home / 5,457.04-7,528.32-3,688

Finding the Fourth Proportional to 5,457.04, 7,528.32 and 3,688

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Solution

The fourth proportional to 5,457.04, 7,528.32 and 3,688 is: 5,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.04 : 7,528.32 = 3,688 : x
  2. Step 2: Convert to fraction form
    5,457.04/7,528.32 = 3,688/x
  3. Step 3: Cross multiply
    5,457.04x = 7,528.32 × 3,688
  4. Step 4: Simplify right side
    5,457.04x = 27,764,444.16
  5. Step 5: Solve for x
    x = 27,764,444.16/5,457.04
  6. Step 6: Final answer
    x = 5,087.82

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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.