Home / 5,285.04-7,290.15-3,492.53

Finding the Fourth Proportional to 5,285.04, 7,290.15 and 3,492.53

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Solution

The fourth proportional to 5,285.04, 7,290.15 and 3,492.53 is: 4,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.04 : 7,290.15 = 3,492.53 : x
  2. Step 2: Convert to fraction form
    5,285.04/7,290.15 = 3,492.53/x
  3. Step 3: Cross multiply
    5,285.04x = 7,290.15 × 3,492.53
  4. Step 4: Simplify right side
    5,285.04x = 25,461,085.80
  5. Step 5: Solve for x
    x = 25,461,085.80/5,285.04
  6. Step 6: Final answer
    x = 4,817.58

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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.