Home / 5,030.90-7,547.40-1,521.16

Finding the Fourth Proportional to 5,030.90, 7,547.40 and 1,521.16

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Solution

The fourth proportional to 5,030.90, 7,547.40 and 1,521.16 is: 2,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.90 : 7,547.40 = 1,521.16 : x
  2. Step 2: Convert to fraction form
    5,030.90/7,547.40 = 1,521.16/x
  3. Step 3: Cross multiply
    5,030.90x = 7,547.40 × 1,521.16
  4. Step 4: Simplify right side
    5,030.90x = 11,480,802.98
  5. Step 5: Solve for x
    x = 11,480,802.98/5,030.90
  6. Step 6: Final answer
    x = 2,282.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.