Home / 5,488.02-7,574.10-3,130.50

Finding the Fourth Proportional to 5,488.02, 7,574.10 and 3,130.50

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Solution

The fourth proportional to 5,488.02, 7,574.10 and 3,130.50 is: 4,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.02 : 7,574.10 = 3,130.50 : x
  2. Step 2: Convert to fraction form
    5,488.02/7,574.10 = 3,130.50/x
  3. Step 3: Cross multiply
    5,488.02x = 7,574.10 × 3,130.50
  4. Step 4: Simplify right side
    5,488.02x = 23,710,720.05
  5. Step 5: Solve for x
    x = 23,710,720.05/5,488.02
  6. Step 6: Final answer
    x = 4,320.45

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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.